diff --git a/docs/modules/hdfs/pages/usage-guide/operations/pod_disruptions.adoc b/docs/modules/hdfs/pages/usage-guide/operations/pod_disruptions.adoc index c485af54..11e71a90 100644 --- a/docs/modules/hdfs/pages/usage-guide/operations/pod_disruptions.adoc +++ b/docs/modules/hdfs/pages/usage-guide/operations/pod_disruptions.adoc @@ -3,7 +3,7 @@ You can configure Pod disruptions for HDFS nodes as described in xref:concepts:operations/pod_disruptions.adoc[]. -Unless you configure something else or disable our PodDisruptionBudgets (PDBs), we write the following PodDisruptionBudgets: +Unless you configure something else or disable our PodDisruptionBudgets (PDBs), we write the following PDBs: == Journalnodes We only allow a single journalnode to be offline at a given time, regardless of the number of replicas or roleGroups. @@ -12,9 +12,8 @@ We only allow a single journalnode to be offline at a given time, regardless of We only allow a single namenode to be offline at a given time, regardless of the number of replicas or roleGroups. == Datanode -For datanodes the questions how many instances can be offline at the same time is a bit harder. - -HDFS stores you in blocks on the datanodes. +For datanodes the questions how many instances can be offline at the same time is a bit harder: +HDFS stores your in blocks on the datanodes. Every block can be replicated multiple times (to multiple datanodes) to ensure maximum availability. The default setting is a replication of `3` - which can be configured using `spec.clusterConfig.dfsReplication`. However, it is also possible to change the replication factor for a specific file or directory to something else than the cluster default.